Use mautrix-whatsapp Docker image from new official registry

roles/matrix-bridge-mautrix-whatsapp/defaults/main.yml

@@ -3,7 +3,8 @@
 
 matrix_mautrix_whatsapp_enabled: true
 
-matrix_mautrix_whatsapp_docker_image: "tulir/mautrix-whatsapp:latest"
+# See: https://mau.dev/tulir/mautrix-whatsapp/container_registry
+matrix_mautrix_whatsapp_docker_image: "dock.mau.dev/tulir/mautrix-whatsapp"
 matrix_mautrix_whatsapp_docker_image_force_pull: "{{ matrix_mautrix_whatsapp_docker_image.endswith(':latest') }}"
 
 matrix_mautrix_whatsapp_base_path: "{{ matrix_base_data_path }}/mautrix-whatsapp"